Relatives who care for sick persons with unexplained illnesses at home, doctors, nurses and other health workers providing direct patient care in the absence of standard precautions.
'Ndị ikwu ndị na-elekọta ndị ọrịa nwere ọrịa ndị agaghị akọwa n'ụlọ, ndị dọkịta, ndị nọọsụ na ndị ọrụ ahụike ndị ọzọ na-enye ndị ọrịa nlekọta ebe enweghi ozigbo.